package io02;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("youdao.jpg");
        FileOutputStream fos = new FileOutputStream("you.jpg");
        int d;
        while((d = fis.read()) != -1){
            fos.write(d);
        }
        fis.close();
        fos.close();

    }
}
